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Your cart is empty.The premium Red Lion RS Series 4-inch submersible well pumps shell and discharge are made with 304 stainless steel which is known for excellent corrosion-resistance in well water and comes with a built-in suction screen and check valve. The RS Series is available in the following flow rates: 5 GPM, 12 GPM and 22 GPM. This pump, the RS5G05-3W2V, is a 1/2 HP pump rated for 5 GPM. At 30 PSI it can deliver a maximum of 5 GPM at a depth of 160 feet. See performance chart and curve in images. Don't know which pump you need? You'll need to know the flow rate of your well and the depth to water level and the depth of the well, which is found in your well driller's report. If you don't, have a well driller's report, look at the pump specifications of your existing pump. Most professional installers include the pump's information on a label that includes the model number, horsepower, GPM, voltage, date code and serial number of the pump. This label is usually attached to the control box or the fuse box. If you still can't find the information, you can contact a well pump contractor to determine the flow rate of your well, depth, and provide you with a well driller's report. This pump is condsidered a 3-wire pump (plus ground wire) and requires a control box to operate it. The control box is not included. We recommend the Red Lion RLCB05-230 (part number 640189) which is specifically made for 1/2 HP deep well pumps. A splice kit is also requred. Red Lion's order number is 640166. Deep Well submersible pumps require above-average skill levels and electrical knowledge to install and we strongly recommend employing a licensed electric or water systems contractor to ensure installation is done properly. If wires aren't spliced together properly, death or severe injury could occur.